HP Z800 Owners Manual

							BIOS errors and warnings
The BIOS generates warnings/errors on invalid memory configurations:
●If the BIOS can find a valid memory configuration by disabling plugged-in memory, it does so and
reports a warning during POST. the workstation can still be started. The warning will indicate the
location of the failed DIMM on the system board or memory riser.
●If there is no way for the BIOS to obtain a valid memory configuration by disabling plugged-in
memory, the BIOS halts with a diagnostics code for memory error (five beeps and blinks).
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							Removing a DIMM
1.Disconnect power from the workstation (see Predisassembly procedures on page 73).
CAUTION:To ensure that DIMMs are not damaged during removal or installation, power off the
workstation and unplug the power cord from the AC power outlet. If you do not unplug the power
cord before installing memory, the modules might be damaged and the workstation will not
recognize the memory changes.
2.Remove the side access panel (see Removing the side access panel on page 75).
3.Remove the airflow guide (
Removing the airflow guide on page 76).
4.Remove the memory fans (see 
Removing the memory fans on page 136).
5.Carefully push outward on the memory slot socket levers 
. Lift the DIMM straight up and out of
its socket 
2 as shown in the following figure.
Store the DIMM in an anti-static bag.
Figure 5-88  Removing a DIMM
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							Installing a DIMM
This section describes how to install a DIMM in the workstation.
Required DIMM installation order
DIMMs must be installed in a specified order, depending on the workstation processor configuration.
Single processor configuration
The illustration below shows the DIMM installation order for a single processor workstation.
Figure 5-89  Single-processor DIMM installation order
Dual processor configuration
The illustration below shows the DIMM installation order for a dual processor workstation.
Figure 5-90  Dual-processor DIMM installation order
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							Installing the DIMM
NOTE:For best performance add DIMMs of the same size in pairs across CPUs.
1.Disconnect power from the workstation (see Predisassembly procedures on page 73).
2.Remove the side access panel (see 
Removing the side access panel on page 75).
3.Remove the airflow guide (see 
Removing the airflow guide on page 76).
4.Remove the memory fans (see 
Removing the memory fans on page 136).
5.Push outward on the DIMM socket levers as shown in the following figure.
Figure 5-91  Opening DIMM socket levers
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							6.Align the DIMM connector key with the DIMM socket key, and then seat the DIMM firmly in the
socket 
 as shown in the following figure.
CAUTION:DIMMs and their sockets are keyed for proper installation. To prevent socket or DIMM
damage, align these guides properly when installing DIMMs.
Figure 5-92  Seating the DIMM
7.Secure the socket levers 2.
8.Reinstall all removed components and reconnect any cables that have been disconnected.
NOTE:If you receive a DIMM-related error message after you re-start the workstation, refer to
BIOS errors and warnings on page 139 for error message information.
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							Expansion card slot identification
This section identifies and describes workstation expansion card slots and presents card configuration
information.
Expansion card slot description
The following figure identifies workstation expansion card slots.
Figure 5-93  Identifying expansion card slots
The following table describes the workstation expansion card slots.
Table 5-6  Expansion card slot description and compatibility
SlotTypeMechanical
compatibilityElectrical
compatibilitySlot power
(Maximum)
11PCIe2 x8(4)
open-endedx1, x4, x8, x16x1, x425W
21PCIe2 x163x1, x4, x8, x16x1, x4, x8, x1675W
3PCIe x8(4)
open-endedx1, x4, x8, x16x1, x425W
41PCIe2 x16(8)x1, x4, x8, x16x1, x4, x825W
51PCIe2 -x164x1, x4, x8, x16x1, x4, x8, x1675W
61PCI 32/33 25W
7 PCIe2 x16(8) x1, x4, x8, x16 x1, x4, x8 25W
1PCIe GEN2 slot.3Primary graphics slot4Secondary graphics slot
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							NOTE:The x1, x4, x8, and x16 designators describe the number of electrical PCIe lanes routed to an
expansion slot. For example, x16(8) means that the expansion slot is mechanically a x16 length
connector, with eight PCIe lanes connected.
Slots one and three use open-ended PCIe connectors, so a PCIe x16 card can inserted. This allows the
workstation to support more PCIe x16 expansion cards. A x16 card typically trains and runs at the
maximum lane width available by the expansion slot. The card runs at the reduced lane width, with a
corresponding performance decrease.
A x16 graphics card runs at the bandwidth of the slot it is plugged into. The slot bandwidth can be x1,
x4, x8, or x16. A PCIe card can be plugged into a slot with a lesser speed. It runs at that speed with a
commensurate performance decrease. (Older graphics cards may not comply with this.)
NOTE:A eighth slot opening in the chassis has no corresponding expansion connector on the System
board. This slot opening is provided for devices that require no system board card plug in capability.
This slot can be used for cable or connector output. The cables plug into the system board.
Expansion card configuration restrictions for power supplies
CAUTION:To prevent damage, the overall power consumption of the workstation (including I/O cards,
CPU, and memory) must not exceed the maximum rating of the workstation power supply. For power
supply information, see 
Power supply specificationson page 11.
The maximum graphics card configuration is:
Power supplyGraphics card maximum
850W
75W
One in slot #2
AND
One in slot #5150W1
One in slot #2
AND
One in slot #5
175W
One in slot #2
OR
One in slot #5 
1110W75W
One in slot #2
AND
One in slot #5150W1
One in slot #2
AND
One in slot #5175W
One in slot #2
AND
One in slot #5225W
*
One in slot #2
AND
One in slot #5
*Requires memory and CPU configuration restrictions.1Applies if other configuration constraints allow. Workstation memory < 24GB is a common denominator. (See the Site
preparation guide for the HP 
800 Workstation at http://hp.com/support/workstation_manuals for further power consumption
information.)
Graphics cards greater than 75 watts require the use of an auxiliary power cable adapter.
If a graphics card greater than 75 watts is used, HP recommends that you leave the adjacent slot empty,
and follow any additional workstation configuration restrictions. You can also use a lower power or lower
profile card between slots for optimum cooling.
The maximum graphics configuration with a 1110W power supply can include up to two 225-watt cards
in slots two and five, depending on system configuration.
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							Choosing an expansion card slot
Whenever possible, use the following tips to help you select the proper slot for an expansion card:
●Insert the primary graphics card in a PCIe x16 slot intended for graphics.
●Insert a second graphics card in a second PCIe x16 slot intended for a secondary graphics card.
●Install full-length cards in slots that support full-length cards.
●For optimal cooling and acoustics, do not insert a card next to a graphics card to avoid blocking
the graphics card heatsink and fan. This is especially important for a card that requires an auxiliary
power cable. For best results, choose a lower profile card to place next to the graphics heatsink
and fan.
●Install a card in a slot that most closely matches its interface technology:
◦Install a PCIe Gen2 x8 card in a PCIe Gen2 x8 slot.
◦Install a PCIe Gen1 x8 card in a PCIe Gen1 x8 slot.
◦Install a PCIe Gen1 x4 card in a PCIe Gen1 x4 slot.
◦Install a PCIe Gen1 x1 card in a PCIe Gen1 x1 slot.
◦Install a PCI card in a PCI slot.
●Leave as much space as possible between cards.
●For best operational efficiency, select a slot that:
◦Has more lanes electrically.
◦Has fewer lanes, but is closer to your needs. For example, place an x16 card in an x8 slot,
and an x8 card in a an x4 slot.
●An x1 connector supports an x1 card only. Although, an x1 card can be inserted into any slot, this
may waste the potential for future card placement.
●Install cards that require internal cable connections so that the cables are organized and have the
least amount of strain on them. Some cables may be routed under, rather than over the other
expansion cards.
●To prevent electromagnetic interference, avoid installing a card with external cable connections
next to a graphics card.
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							PCIe card
This section describes how to remove and install a PCIe card.
Removing a PCIe card
1.Disconnect power from the workstation (see Predisassembly procedures on page 73).
2.Remove the side access panel (see 
Removing the side access panel on page 75).
3.Remove the expansion card support (see 
Removing the expansion card support on page 77).
4.Remove all cables connected to the PCIe card.
5.Raise the rear retention clamp by lifting the metal bar or the green lever 
 as shown in the following
figure. If necessary, disconnect the auxiliary power cable (not illustrated).
Figure 5-94  Removing a PCIe card
6.Release the PCIe card latch 2, and then carefully lift the card from the chassis .
TIP:Store the card in an antistatic bag.
7.If you are removing a PCIe card without a release lever, lift the card out of the slot.
8.If you are not installing a PCIe card, install a PCI slot cover and close the expansion card retention
clamp. The retention clamp is secured by the expansion card support.
NOTE:It is normal for the expansion card retention clamp to have a slight (5-10 degree) angle
when closed. If the angle is greater than this, open the clamp and ensure that all cards are properly
seated and all the brackets are mated to the chassis, then re-close the clamp.
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							Installing a PCIe card
1.Disconnect power from the workstation (see Predisassembly procedures on page 73).
2.Remove the side access panel (see 
Removing the side access panel on page 75).
3.Remove the expansion card support (see 
Removing the expansion card support on page 77).
4.Select the desired expansion card slot for the PCIe card. See 
Choosing an expansion card slot
on page 146 for help in selecting a slot.
5.Raise the rear retention clamp by lifting the metal bar or the green lever as shown in the following
figure 
.
Figure 5-95  Removing the slot cover
TIP:Grasp the slot cover between two fingers—one from the inside of the chassis, and one from
the outside.
6.Remove the PCI slot cover by pulling it up, out of the chassis 2.
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